Key Facts Plica Fimbriata is a normal anatomical structure found under the human tongue They are small, fringe-like folds of mucous membrane that run parallel to the lingual frenulum Plica Fimbriata is not usually noticeable and doesn’t serve any significant purpose In rare cases, Plica Fimbriata can get irritated or caught between the teeth Basic oral hygiene practices are usually sufficient to maintain the health of the Plica Fimbriata It is one of several structures that can be found under the tongue What Is the Plica Fimbriata and Where Is It Located? The Plica Fimbriata are small, mucosal folds that are situated on the underside of the tongue. There are…